The traditional approach to modeling productive efficiency assumes that technology is constant across the sample. However, farms in different regions may face production opportunities, and technologies they employ differ due environmental factors. Therefore, rather than using a stochastic frontier model such cases, meta-frontier (SMF) analysis recommended account for factors between regions. It...

The hospital environment often become contaminated by infectious agents either through patients or sources. This cross-sectional hospital-based study was conducted to survey the epidemiology of nosocomial gastrointestinal protozoa infections among hospitalized in a tertiary and secondary hospital, Awka, Anambra state. Stool samples were collected from 210 admitted analyzed using direct wet moun...